When It's At Night(밤이면 밤마다)

After her treasure-hunter father is branded a thief by Korea’s Cultural Heritage Administration and disappears, Heo Cho Hwi decides to follow in his footsteps, but on the side of the law. Seven years later, she is an art hunter who is committed to protecting the nation’s artifacts. Investigating art crime all over the country, she hopes that one of them will lead her to her father. Kim Bum Sang, an expert specializing in detecting forgeries and restoring original art pieces, is only in it for the fame and money. When the two must pair up to track down stolen cultural heritage pieces, they immediately clash. With the dedicated preservationist and the hotshot playboy working together as a team, all sorts of sparks begin to fly, and they just might prove the rule that "opposites attract"…